Nanotoxicology—A New Frontier - ACS Publications - American

Aug 20, 2009 - on the topic of nanotoxicology and has published a number of articles that describe the toxicological properties of nanoparticles towar...
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SEPTEMBER 2009 VOLUME 22, NUMBER 9  Copyright 2009 by the American Chemical Society

Editorial NanotoxicologysA New Frontier The fabrication and characterization of nanoparticles for a range of biomedical uses has generated tremendous activity and excitement. All sorts of potential uses of these novel materials are being explored from molecular imaging to drug delivery. An emerging concern is that nanoparticles for biotechnology applications may exhibit toxicities that will limit their application. Chemical Research in Toxicology has received an increasing number of submissions on the topic of nanotoxicology and has published a number of articles that describe the toxicological properties of nanoparticles toward intact cells. Our recently published Thematic Compilation (http://pubs.acs.org/page/crtoec/thematic/nanotoxicology.html) highlights some of the most recent articles that focus on the chemical properties of particles leading to toxicity or on the mechanisms by which cells are killed. Given the growing importance of nanotoxicology, the Editors of CRT anticipate that submissions of manuscripts in this field will continue to increase. Therefore, we feel it useful to outline some features that potential authors should consider to ensure that their manuscripts are in keeping with the scope of CRT: 1. The chemical and physical characteristics of the particles should be well-defined. 2. The study should contain novel chemical information that explores previously undefined linkages between nanoparticle structure and toxicity AND/OR 3. The study should directly explore the chemical/biochemical mechanism of nanoparticle toxicity. 4. Studies that simply demonstrate toxicity of particles to cells are discouraged. 5. The demonstration of superficial mechanisms, such as the generation of reactive oxygen species and/or the induction of apoptosis, may not be considered an adequate investigation of mechanism. Fields evolve rapidly so these guidelines may change in the future. Furthermore, they are just guidelines, and every article will be evaluated individually. As a leader in the publication of research on the mechanisms of toxicity, CRT provides an excellent forum for articles that explore the chemical and biochemical basis of nanotoxicology. We look forward to your submissions. Lawrence J. Marnett TX900261Y

10.1021/tx900261y CCC: $40.75  2009 American Chemical Society Published on Web 08/20/2009